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Finding the Fourth Proportional to 111,268.68, 166,903.14 and 28,162.68

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Solution

The fourth proportional to 111,268.68, 166,903.14 and 28,162.68 is: 42,244.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,268.68 : 166,903.14 = 28,162.68 : x
  2. Step 2: Convert to fraction form
    111,268.68/166,903.14 = 28,162.68/x
  3. Step 3: Cross multiply
    111,268.68x = 166,903.14 × 28,162.68
  4. Step 4: Simplify right side
    111,268.68x = 4,700,439,722.82
  5. Step 5: Solve for x
    x = 4,700,439,722.82/111,268.68
  6. Step 6: Final answer
    x = 42,244.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.